Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard H774001XS Number in parenthesis is thickness

Number in parenthesis is thickness of adapter

550" OD valve springs

1982-1992 Oldsmobile Cutlass Ciera

2001-2014 Ford E-350 Super Duty

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard H774001XS Number in parenthesis is thicknessHastings racing piston rings deliver race winning performance in even the most extreme applications. The low tension, low friction design provides unsurpassed combustion seating and exceptional sealing. Each set includes plasma moly, high tensile cast iron top rings; reverse twist, taper faced cast iron second rings, and choice of standard or low tension Flex Vent stainless steel oil control rings. Low tension oil rings make significant increases in